public void Send()
{
HttpWebClient loHttp = new HttpWebClient();
string result;
loHttp.HandleCookies = true;
StringBuilder sb = new StringBuilder();
sb.Append("{actionForm.statusCadastro}=S&");
sb.Append("{actionForm.foneArea}=21&");
sb.Append("{actionForm.foneNumero}=98564467&");
sb.Append("{actionForm.senha}=3734&");
//
// PASSO 1
//
string loginPage = "https://servicos.vivo.com.br/VOLWeb/LoginAction.do";
result = loHttp.GetUrl(loginPage + "?" + sb.ToString());
//
// PASSO 2
//
string cookiePage = "https://servicos.vivo.com.br/VOLWeb/servicos/torpedoEmpresas.do?idMenu=494&idSubMenu=1967";
result = loHttp.GetUrl(cookiePage);
//
// PASSO 3
//
int beginScriptTag = result.IndexOf("https://");
int endScriptTag = result.IndexOf("');");
string nextPage = result.Substring(beginScriptTag, endScriptTag - beginScriptTag);
result = loHttp.GetUrl(nextPage);
//
// PASSO 4
//
string crossPage = "https://online.vivo-rjes.com.br/torpedoempresa/RecuperaDadosEnvio?action=RecuperaDadosEnvio";
result = loHttp.GetUrl(crossPage);
//
// PASSO 5
//
loHttp.PostMode = PostMode.MultiPart;
loHttp.AddPostKey("Titulo", "Empresa");
loHttp.AddPostKey("TipoEnvio", "0");
loHttp.AddPostKey("Periodicidade", "4");
loHttp.AddPostKey("ListaEnvio", "0");
loHttp.AddPostKey("Operadora", "11");
loHttp.AddPostKey("MinutoAtual", DateTime.Now.Minute.ToString());
loHttp.AddPostKey("HoraAtual", DateTime.Now.Hour.ToString());
loHttp.AddPostKey("AnoAtual", DateTime.Now.Year.ToString());
loHttp.AddPostKey("MesAtual", DateTime.Now.Month.ToString());
loHttp.AddPostKey("DiaAtual", DateTime.Now.Day.ToString());
loHttp.AddPostKey("NumDiasValidadeAgendamento", "30");
loHttp.AddPostKey("NumDestinatario", "0");
loHttp.AddPostKey("TelefoneCompleto", "2181243318");
loHttp.AddPostKey("action", "EnviaShortMessageAnexadaUmaMensagem");
loHttp.AddPostKey("DestinatariosMensagem", "com.tcbnet.webapp.torpedotelefonicanet.envio.LeafScheduleRecipient,2181243318;");
loHttp.AddPostKey("Mensagem", "Teste de Envio " + DateTime.Now.ToString());
string sendSmsPage = "https://online.vivo-rjes.com.br/torpedoempresa/EnvioAnexado";
result = loHttp.PostUrl(sendSmsPage);
}